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Finding the Fourth Proportional to 1,514.98, 2,271.39 and 589.75

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Solution

The fourth proportional to 1,514.98, 2,271.39 and 589.75 is: 884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.98 : 2,271.39 = 589.75 : x
  2. Step 2: Convert to fraction form
    1,514.98/2,271.39 = 589.75/x
  3. Step 3: Cross multiply
    1,514.98x = 2,271.39 × 589.75
  4. Step 4: Simplify right side
    1,514.98x = 1,339,552.25
  5. Step 5: Solve for x
    x = 1,339,552.25/1,514.98
  6. Step 6: Final answer
    x = 884.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.